madisynlong4 madisynlong4
  • 26-04-2018
  • Mathematics
contestada

What is the discriminant if the quadratic equation 0=-x2+4x-2

Respuesta :

jobina15
jobina15 jobina15
  • 26-04-2018
Your discriminant is:
B^2 - 4AC = 4^2 - 4x (-1)x (-2) =
16 - 8 = 8

Your answer would be 8.
Answer Link
yaaybro567 yaaybro567
  • 30-04-2018
The formula is 

 b^2 – 4(a)(c) 

so

b^2 - 4(a)(c) = 4^2 - 4x (-1)x (-2) =
16 - 8 = 8

The answer is 8.
Answer Link

Otras preguntas

What is an array? A. an object B. a variable C. a class D. a method
What are three ways Native American lives were changed due to the arrival of European Settlers
Why were some citizens against the stamp act?
What is the percent yield for carbon dioxide if 10.0 grams of carbon monoxide yielded 12.81 grams of carbon dioxide from the reaction below? 2 CO + O2 → 2 CO2
what is 2x+5=17 need step by step explanation
Daguerre developed a photographic image of a Polish sheet of silver plated
An engineer is designing the runway for an airport. Of the planes that will use the airport, the lowest acceleration rate is likely to be 5 m/s squared. Startin
They estimate that their current (older) fridge, which they got for free, costs them about $17 a month in electricity charges to operate. They found a new fridg
(HC)The next question refers to the following passage. The sentences have been numbered to help you identify them more easily. (1) As she was driving to visit h
Find the slope of the line. Use the "/" to make a fraction if needed. (not apart of the question) Im adding more because I known none of these questions